KR940015731A - Moving path correction method according to tool diameter - Google Patents

Moving path correction method according to tool diameter Download PDF

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Publication number
KR940015731A
KR940015731A KR1019920025790A KR920025790A KR940015731A KR 940015731 A KR940015731 A KR 940015731A KR 1019920025790 A KR1019920025790 A KR 1019920025790A KR 920025790 A KR920025790 A KR 920025790A KR 940015731 A KR940015731 A KR 940015731A
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South Korea
Prior art keywords
straight line
tool
vector
movement path
straight
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KR1019920025790A
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Korean (ko)
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KR0168071B1 (en
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강문
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윤종용
삼성전자 주식회사
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/404—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/41—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by interpolation, e.g. the computation of intermediate points between programmed end points to define the path to be followed and the rate of travel along that path
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
    • G05B19/4145—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller characterised by using same processor to execute programmable controller and numerical controller function [CNC] and PC controlled NC [PCNC]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/41—Servomotor, servo controller till figures
    • G05B2219/41219—To compensate path, track error, calculate, use compensated reference

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Numerical Control (AREA)

Abstract

본 발명은 컴퓨터수치 제어기기에 의한 공작물의 가공시, 첫번째 가공블록이 직선이고, 두번째 블록도 직선으로 그 교점각도(O)가 0〈0〈90°인 경우의 공구이동경로를 보정생성할수 있는 공구직경에 따른 이동경로 보정 방법에 관한 것으로써, 공구직경에 따라 보정된 공구이동경로를 이동하면서 원하는 형상으로 공작물을 가공하는 방법에 관한 것으로써, 공구직경에 따라 보정된 공구이동경로를 이동하면서 원하는 형상으로 공작물을 가공하는 CNC공작기계에 있어서, 직선의 시작점, 직선 및 직선의 교점, 직선의 종료점을 설정한 상태에서 제1마이크로프로세서에 의해 이동경로보정무시, 공구이동방향의 좌측 또는 우측으로의 보정여부를 판단토록 해당코드를 읽어 들이는 제1스텝과, NC프로그램에서 한 블록의 프로그램을 제1마이크로프로세서가 읽어들인후 이동경로보정 진행중인지의 여부를 판별하는 제2스텝과, 이판별결과 이동경로보정이 진행중일 경우에는 공구반지름 크기의 첫번째 직선수평벡터 d1 및 두번째 직선수평벡터 d2를 구하는 제3스텝과, 제1마이크로세서에 의해 연산된 공구직경에 따른 공구반지름 크기의 직선수직벡터 V1 및 직선수직벡터 V2를 구하는 제4스텝과, 직선과 직선이 접하는 교점에서 각각 수직하는 벡터 V1′ 및 V2′ 를 구하는 제5스텝과, 첫번째 교점벡터 C1을 구하는 제6스텝과, 두번째 직선과 직선간의 교점벡터 C2를 구하는 제7스텝과, 상기 각각의 스텝에서 구해진 점들을 서로 연결하여 보정된 공구이동경로에 따라 써보모터를 구동시키는 제8스텝으로 이루어진 것을 특징으로 한다.According to the present invention, when machining a workpiece by a computer numerical controller, the first machining block is a straight line, and the second block is also a straight line, and the tool movement path can be compensated for when the intersection angle O is 0 < The present invention relates to a method of compensating a movement path according to a tool diameter, and to a method of processing a workpiece in a desired shape while moving a tool movement path corrected according to a tool diameter. In a CNC machine tool that processes a workpiece in a desired shape, the first microprocessor ignores the movement path correction and sets the starting point of the straight line, the intersection of the straight line and the straight line, and the end point of the straight line to the left or the right of the tool movement direction. The first microprocessor reads the code to determine whether the program is corrected, and the first microprocessor reads the program of one block from the NC program. A second step of determining whether the moving path correction is in progress after entering, and a third step of obtaining the first straight horizontal vector d1 and the second straight horizontal vector d2 of the tool radius size when the moving path correction is in progress, A fourth step of obtaining a straight vertical vector V1 and a straight vertical vector V2 having a tool radius size according to the tool diameter calculated by the first microprocessor, and a vector V1 'and V2' perpendicular to the intersection point of the straight line and the straight line, respectively. The fifth step, the sixth step for obtaining the first intersection vector C1, the seventh step for obtaining the intersection vector C2 between the second straight line and the straight line, and the points obtained in the respective steps are connected to each other to be written according to the corrected tool movement path. And an eighth step of driving the motor.

Description

공구직경에 따른 이동경로 보정방법Moving path correction method according to tool diameter

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제6도는 본 발명을 실현하기 위한 장치의 구성블록도, 제7도는 본 발명의 직선 및 직선의 교점각이 90°이하일 경우에 대한 공구이동경로 보정방법도, 제8도는 본 발명의 동작순서를 도시한 플로우챠트.6 is a block diagram of a device for realizing the present invention, FIG. 7 is a tool movement path correction method for the case where the intersection angle of the straight line and the straight line of the present invention is 90 degrees or less, and FIG. Illustrated flowchart.

Claims (4)

공구직경에 따라 보정된 공구이동경로를 이동하면서 원하는 형상으로 공작물을 가공하는 CNC공작기계에 있어서, 직선의 시작점, 직선 및 직선의 교점, 직선의 종료점을 설정한 상태에서 제1마이크로프로세서에 의해 이동경로보정무시, 공구이동방향의 좌측 또는 우측으로의 보정여부를 판단토록 해당코드를 읽어 들이는 제1스텝과, CN프로그램에서 한 블록의 프로그램을 제1마이크로프로세서가 읽어들인후 이동경로보정 진행중인지의 여부를 판별하는 제2스텝과, 이판별결과 이동경로보정이 진행중일 경우에는 공구반지름 크기의 첫번째 직선수평벡터 d1 및 두번째 직선수평벡터 d2를 구하는 제3스텝과, 제1마이크로세서에 의해 연산된 공구직경에 따른 공구반지름 크기의 직선수직벡터 V1 및 직선수직벡터 V2를 구하는 제4스텝과, 직선과 직선이 접하는 교점에서 각각 수직하는 벡터 V1′ 및 V2′ 를 구하는 제5스텝과, 첫번째 교점벡터 C1을 구하는 제6스텝과, 두번째 직선과 직선간의 교점벡터 C2를 구하는 제7스텝과, 상기 각각의 스텝에서 구해진 점들을 서로 연결하여 보정된 공구이동경로에 따라 써보모터를 구동시키는 제8스텝으로 이루어진 것을 특징으로 하는 공구직경에 따른 이동경로 보정방법.In a CNC machine tool that processes a workpiece to a desired shape while moving the tool movement path corrected according to the tool diameter, the first microprocessor moves with the start point of the straight line, the intersection of the straight line and the straight line, and the end point of the straight line set. In case of path compensation, the first step to read the corresponding code to judge the right or left side of the tool movement direction, and if the first microprocessor reads one block program from CN program, and if the movement path is in progress. A second step for determining whether or not, a third step for obtaining the first straight horizontal vector d1 and the second straight horizontal vector d2 of the tool radius size when the movement path correction is in progress, and the first microprocessor The fourth step of obtaining a straight line vertical vector V1 and a straight line vertical vector V2 of the tool radius size according to the defined tool diameter, A fifth step for obtaining vectors V1 'and V2' perpendicular to each other, a sixth step for obtaining a first intersection vector C1, a seventh step for obtaining an intersection vector C2 between a second straight line and a straight line, and the respective steps And a eighth step of driving the servomotor according to the corrected tool movement path by connecting the points to each other. 제1항에 있어서, 상기 제4스텝에서의 첫번째 직선수직벡터 V1은 수평벡터 d1을 시계방향으로 90°회전시킨 상태에서 구하는 것을 특징으로 하는 공구직경에 따른 이동경로 보정방법.The method of claim 1, wherein the first straight vertical vector V1 in the fourth step is obtained by rotating the horizontal vector d1 clockwise by 90 degrees. 제1항에 있어서, 상기 제4스텝에서의 두번째 직선수직벡터 V2은 수평벡터 d2를 시계방향으로 90°회전시킨 상태에서 구하는 것을 특징으로 하는 공구직경에 따른 이동경로 보정방법.The method of claim 1, wherein the second straight vertical vector V2 in the fourth step is obtained by rotating the horizontal vector d2 clockwise by 90 degrees. 제1항에 있어서, 상기 제2스텝에서의 판별결과, 이동경로 보정진행중이 아닐 경우에는 본래 사용자에 의해 프로그램된 이동경로를 이동하면서 공작물을 가공하는 것을 특징으로 하는 공구직경에 따른 이동경로 보정방법.2. The movement path correction method according to the tool diameter according to claim 1, characterized in that the workpiece is processed while the movement path originally programmed by the user is moved when the determination result in the second step is not in progress. . ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920025790A 1992-12-28 1992-12-28 Moving route compensating method based on diameter of machine tool KR0168071B1 (en)

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KR1019920025790A KR0168071B1 (en) 1992-12-28 1992-12-28 Moving route compensating method based on diameter of machine tool

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Application Number Priority Date Filing Date Title
KR1019920025790A KR0168071B1 (en) 1992-12-28 1992-12-28 Moving route compensating method based on diameter of machine tool

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KR940015731A true KR940015731A (en) 1994-07-21
KR0168071B1 KR0168071B1 (en) 1999-03-20

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